Because they’re two different countries
Question:
Between the gold rush and the civil war. Americans in growing number were filling what states?
Answer:
Mississippi River Valley, Texas, the southwest territories, and the new states of Kansas and Nebraska.
Answer:
One important result of industrialization and immigration was the growth of cities, a process known as urbanization.
Explanation:
Although basically every member belong to either the republicans or Democratic Party, it is not a requirement for you to be in the congress.
The correct answer would be A
Hope this helps!